.banner {
  margin-top: 3.67rem;
  width: 25rem;
  height: 24rem;
  position: relative;
  background: #4873cf;
}
.banner img {
  width: 25rem;
  height: 14.8rem;
}
.banner h4 {
  font-family: "NotoSansHans-Medium";
  font-size: 1.6rem;
  color: #fff;
  position: absolute;
  left: 1.47rem;
  top: 3.6rem;
  text-align: left;
  line-height: 1.6667rem;
}
.banner p {
  position: absolute;
  top: 6.2rem;
  text-align: left;
  font-family: "NotoSansHans-Regular";
  font-size: 1rem;
  color: #fff;
  line-height: 1.33rem;
  left: 1.6rem;
  right: 1.6rem;
}
.intro .intro-main {
  width: 21.67rem;
  margin: 0 auto;
}
.intro .intro-main h4 {
  font-family: "NotoSansHans-Medium";
  font-size: 1.33rem;
  color: #2B2B2B;
  padding-top: 3.333rem;
  padding-bottom: 1.333rem;
}
.intro .intro-main p {
  font-family: "NotoSansHans-Regular";
  font-size: 1.07rem;
  color: #646464;
  line-height: 1.73rem;
  padding-bottom: 3rem;
}
.feature {
  background: #F7F8FA;
}
.feature .feature-main {
  width: 21.67rem;
  margin: 0 auto;
}
.feature .feature-main h4 {
  font-family: "NotoSansHans-Medium";
  font-size: 1.33rem;
  color: #2B2B2B;
  padding-top: 3rem;
  padding-bottom: 2.467rem;
}
.feature .feature-main ul h5 {
  font-family: "NotoSansHans-Medium";
  font-size: 1.2rem;
  font-weight: 500;
  color: #2B2B2B;
  height: 1.667rem;
  padding-bottom: 1rem;
}
.feature .feature-main ul h5 img {
  display: inline-block;
  width: 1.6667rem;
  position: relative;
  top: 0.45rem;
  margin-right: 0.667rem;
}
.feature .feature-main ul p {
  font-family: "NotoSansHans-Regular";
  font-size: 1rem;
  color: #646464;
  line-height: 1.73rem;
  padding-bottom: 2.667rem;
}
.product .product-main {
  width: 21.67rem;
  margin: 0 auto;
}
.product .product-main h4 {
  font-family: "NotoSansHans-Medium";
  font-size: 1.33rem;
  color: #2B2B2B;
  padding-top: 3rem;
}
.product .product-main ul li {
  clear: both;
  padding-top: 2rem;
}
.product .product-main ul li img {
  display: block;
  width: 7.867rem;
  float: left;
}
.product .product-main ul li .info {
  width: 12.46rem;
  float: right;
}
.product .product-main ul li .info h5 {
  font-family: "NotoSansHans-Medium";
  font-size: 1.0667rem;
  color: #2B2B2B;
  padding-bottom: 0.333rem;
}
.product .product-main ul li .info p {
  font-family: "NotoSansHans-Regular";
  font-size: 0.8rem;
  color: #4A4A4A;
  line-height: 1rem;
}
.adv {
  clear: both;
}
.adv .adv-main {
  width: 21.67rem;
  margin: 0 auto;
}
.adv .adv-main h4 {
  font-family: "NotoSansHans-Medium";
  font-size: 1.33rem;
  color: #2B2B2B;
  padding-top: 4.33rem;
  padding-bottom: 3rem;
}
.adv .adv-main ul li h5 {
  font-family: "NotoSansHans-Medium";
  font-size: 0.9rem;
  font-weight: 500;
  padding-bottom: 0.667rem;
}
.adv .adv-main ul li h5 img {
  display: inline-block;
  width: 1.6667rem;
  position: relative;
  top: 0.2rem;
  margin-right: 0.667rem;
}
.adv .adv-main ul li p {
  font-family: "NotoSansHans-Regular";
  font-size: 1rem;
  color: #4A4A4A;
  line-height: 1.73rem;
  padding-bottom: 1.333rem;
}
.adv .adv-main ul li .img {
  position: relative;
}
.adv .adv-main ul li .img img {
  width: 21.67rem;
  display: block;
  padding-bottom: 3.2rem;
}
.adv .adv-main ul li .img .gouba {
  width: 18.5rem;
  top: 2.1rem;
  left: 1.5rem;
  position: absolute;
}